Wolfe QES US AC 2.5 (US_AC_25) is a multi-factor US equity risk model designed for institutional investors managing systematic and quantitative equity portfolios. The model provides daily estimates for value, growth, revisions, profitability, momentum, liquidity, residual volatility, quant sentiment, ETF flow, hedge fund crowding, industry, and macro risk factors to support portfolio construction, risk decomposition, stress testing, and quantitative portfolio management across US equity markets.